nmap/npcap

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Nmap Project's Windows packet capture and transmission library

Stars: 3.6k
Forks: 592
Open beginner issues: 0
Indexed issues: 237

Dominant language: C
License: No license data
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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237 open issues indexed

wsl vEth device is not shown Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

nmap/npcap#854 · 1 comment · Opened Sep 9, 2026
A working solution for the npcap installation error 0x800f0203 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

nmap/npcap#851 · 1 comment · Opened Aug 29, 2026
Build crash Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

nmap/npcap#850 · Opened Aug 20, 2026
Installer looks blurry Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

nmap/npcap#847 · 1 comment · Opened Jun 26, 2026
Run Wireshark on host kills guest network for Oracle VirtualBox Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

nmap/npcap#830 · 2 comments · Opened Jan 29, 2026
Installation issue Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#825 · 5 comments · Opened Dec 22, 2025
npcap 1.82 bugcheck crush with DRIVER_IRQL_NOT_LESS_OR_EQUAL on VMXNET3 driver Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#824 · 4 comments · Opened Dec 19, 2025
Feature proposal: notification of new/deleted interfaces via event/handle Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#823 · 1 reaction · Opened Dec 2, 2025
Failed to create the npcap service: 0x800f0203 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#816 · 5 comments · Opened Nov 3, 2025
PFN_REFERENCE_COUNT BSOD after long time packet capture Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#814 · Opened Nov 1, 2025
vcpkg support Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nmap/npcap#807 · Opened Aug 26, 2025
Npcap Bug Report Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

nmap/npcap#806 · 1 comment · Opened Aug 14, 2025
Please use cmake/meson build systems for building Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#799 · Opened Jun 1, 2025
Pcapusendqueue_transmit_npf has a large packet interval delay Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#798 · 1 comment · Opened May 29, 2025
Bump Npcap NDIS support to 6.89 or latest available Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

nmap/npcap#794 · Opened Apr 28, 2025
0x8007007e Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#787 · 1 comment · Opened Apr 18, 2025
Npcap Bug Report Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

nmap/npcap#786 · Opened Apr 18, 2025
Rx-mode injection only works with REG_SZ (causes hangs); REG_MULTI_SZ does not inject as Rx Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#785 · 1 comment · Opened Apr 17, 2025
Fix and update Npcap example code Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#784 · 1 comment · Opened Apr 10, 2025
0x8007000d tried all the previous solutions here... Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

nmap/npcap#774 · 2 comments · Opened Feb 27, 2025
Could a 64-bit-executable version of the OEM installer be available Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#768 · 5 comments · Opened Dec 4, 2024
packetsendpacket failed: A device attached to the system is not functioning.(31) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#766 · 4 comments · Opened Nov 20, 2024
Problem setting monitor mode Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nmap/npcap#763 · 5 comments · Opened Oct 31, 2024
Npcap install hanging during driver install Open

installation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#762 · 3 comments · 1 reaction · Opened Oct 31, 2024
Error 0x8007007E on uninstall of Npcap Packet Driver Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#761 · 2 comments · Opened Oct 25, 2024
BSOD DPC_WATCHDOG_VIOLATION (133) in npcap!NPF_TapEx Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#758 · Opened Oct 22, 2024
Npcap fails in AdminOnly mode even when approving the NpcapHelper elevation prompt Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nmap/npcap#756 · 3 comments · Opened Oct 22, 2024
Time to drop WinPcap supprt and have NPCAP dlls in C:\WINDOWS\system32\ Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

nmap/npcap#754 · 11 comments · Opened Oct 13, 2024
How to cancel a pcap_sendqueue_transmit? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

nmap/npcap#753 · Opened Oct 4, 2024
Compiling 'Packet32.cpp' with '-std:c++20' Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

nmap/npcap#752 · 2 comments · Opened Sep 26, 2024
pcap_sendqueue_transmit() accuracy Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#750 · 3 comments · Opened Aug 29, 2024
Unit test fails since version 0.999 or windows intel driver duplicates packets Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#749 · 1 comment · Opened Aug 27, 2024
pcap_next_ex still have timeout even when pcap_set_immediate_mode Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#748 · 3 comments · Opened Aug 14, 2024
Create API calls for non-blocking packet writes Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#747 · 3 comments · Opened Jul 25, 2024
outbound packets logged twice on vEthernet Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

nmap/npcap#745 · 2 comments · Opened Jul 16, 2024
Npcap Bug Report - Error 0x80070002 failed to install npcap service Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#743 · 5 comments · Opened Jul 12, 2024
Couldn't capture 802.11 radio beacon packets using Npcap SDK in Windows C++ Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#741 · 7 comments · Opened Jul 4, 2024
Not able to send 10 Gbps Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

nmap/npcap#740 · 2 comments · Opened Jul 4, 2024
Nmap Error: 'Error compiling our pcap filter: expression rejects all packets' Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#739 · 6 comments · Opened Jul 1, 2024
With GNS3 and NPCAP not possible to ping and connect to host within GNS3 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

nmap/npcap#738 · 2 comments · Opened Jun 18, 2024
Update Npcap to support NDIS 6.89 Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nmap/npcap#737 · 4 comments · Opened Jun 7, 2024
Failure to Capture Virtual Adapter - winpcap can capture but npcap does not Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nmap/npcap#734 · 19 comments · Opened May 30, 2024
Failed to capture traffic Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#733 · 2 comments · Opened May 22, 2024
Update building documentation for Win11 SDK Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

nmap/npcap#731 · 1 comment · Opened May 15, 2024
API: pcap_next_ex did not get all the packets that met the requirements Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#727 · 9 comments · Opened Apr 29, 2024
How to find out if npcap is currently installed on local Win system and if yes, which version? Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

nmap/npcap#724 · Opened Apr 10, 2024
Installer stops with incorrect version error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nmap/npcap#723 · 1 reaction · Opened Apr 9, 2024
SSL support for libpcap dependency? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

nmap/npcap#721 · 1 comment · Opened Mar 24, 2024
Npcap silent install Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

nmap/npcap#720 · 1 reaction · Opened Feb 27, 2024
Network interfaces disappeared in Wireshark Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nmap/npcap#718 · Opened Feb 11, 2024

nmap/npcap

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